MDCAT Biology MCQ #253

Carotenoids are accessory pigments that provide yellow and orange colors. What is their primary role in protecting the photosynthetic apparatus?

MDCAT Biology MCQ #253

  1. Question 1

    Q1. Carotenoids are accessory pigments that provide yellow and orange colors. What is their primary role in protecting the photosynthetic apparatus?

    • A) Fixing carbon
    • B) Photo-protection
    • C) Splitting water
    • D) Reducing NADP

    Answer: Photo-protection

    Explanation: Carotenoids protect chlorophyll from photo-oxidation. They absorb excess light energy that would otherwise damage the delicate chlorophyll molecules.